black

#000000

#427BBA

#427BBA

Contrast Ratio

4.77:1

Delta E

63.66

Very Different

50:50 Mix

Color Values

Format #000000 #427BBA
HEX #000000 #427BBA
RGB 0, 0, 0 66, 123, 186
HSL 0.0, 0.0%, 0.0% 211.5, 47.6%, 49.4%
HSV 0.0, 0.0%, 0.0% 211.5, 64.5%, 72.9%
CMYK 0%, 0%, 0%, 100% 64.5%, 33.9%, 0.0%, 27.1%
OKLCH 0.0 0.0 0.0 0.5733 0.1149 252.5

Contrast & Accessibility

4.77:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #427BBA → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #427BBA

Color Difference (Delta E)

63.66 Very Different
0 — Identical 5 — Similar 25 — Noticeable 100 — Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #427BBA);
background: linear-gradient(135deg, #000000, #427BBA);

Explore Each Color

Related Comparisons